HIGH-QUALITY MATERIALS OF BUFFERS: Our mini buffer block nail files are made with top-quality sandpaper and EVA sponge materials, ensuring long-lasting use and better nail buffing experience; these nail buffer blocks are perfect for acrylic nails and natural nails; PORTABLE AND CONVENIENT: With a compact size of 1.4 x 1", our mini nail buffers are easy to carry in your purse or bag, making them perfect for on-the-go use; whether you need a quick touch-up or a full nail buffing session, our small nail buffers are the perfect tool to do the job; SUITABLE FOR ALL NAIL TYPES: Our mini nail buffers are perfect for prepping your nails before applying nail polish, gel, or other enhancements; from natural nails to acrylic nails and everything in between, our nail files and buffers can handle them all; the mini nail buffer block is also ideal for shaping and smoothing out rough edges and surfaces for a polished finish; Double Sided 100/180 Grit: so you can choose based on your preference, where the coarse 100 grit is used to file down the uneven surface of the nail, and the fine 180 grit side used to polish the grease on the nail surface, making it easy to buff and smooth out the rough edges of your nail, ideal for both professionals and at-home users, providing a salon-quality nail buffing experience in the comfort of your own home; Wide Applications: Our 100/180 grit mini nail buffer blocks are very suitable for natural nails, finger nails, toe nails, and also for acrylic nails, gel nails, and more